Make needed changes for deploy AWX 15.

Feat/awx15 (#5)

* Update role for AWX 15.0.0

* Set permissions for all files.

* make vars optionnal

* Rollback DB config

* fixed requirements

Make needed changes for deploy AWX 11.

Update the deployment script to make it work with Ansible AWX 11.

Bonus: Added a way to specify some visual assets of the web interface.

• b4f2ab6 - Updated config templates.
• 2897c19 - Simplified main task by removing check and externalising postgres upgrade.
• 2dbcec9 - Improved change handler.
• 64d6691 - Updated default vars.
• c40c750 - Fixed depretiate module.
• 07da82e - Removed hostnames var.
• 950c590 - Fixed CA refresh.
• e44c77a - cleaned nginx template.
• 66bf2d5 - Added assets customisation possibilities.
• 40aab93 - Fixed yaml
• 5e10c22 - Revert molecule role name

Allow HTTPS without pushing certificate.

Merge pull request #3 from lucasmaurice/feat/ssl-without-push

Allow SSL without push certificate

SSL certificate and key deployment.

Merge pull request #2 from lucasmaurice/feat/ssl

Allow possibility of ssl key deployment for HTTPS.

1.0.0

fixed role name